const http = require("http");

const server = http.createServer((request, response) => {
  // console.log(http);
  
  
  // 设置响应状态码response.statusCode
  // 设置响应状态描述response.statusMessage （ 用的非常少 ）
  // 设置响应头信息response.setHeader('头名', '头值')
  // 设置响应体response.write('xx') response.end('xxx')

  response.setHeader('content-type','text/html;charset=utf-8');
  response.write("你好1 HTTP server");
  response.write("你好2 HTTP server");
  response.write("你好3 HTTP server"); // write也是发送内容
  response.end("你好end HTTP server"); // end才表示发送结束了
});

server.listen(8080);


/*
  {
    ! 1开头的都表示进行中
    ! '100': 'Continue',    √
    '101': 'Switching Protocols',
    '102': 'Processing',
    '103': 'Early Hints',
    ! 2开头的都表示成功了
    ! '200': 'OK',     √
    '201': 'Created',
    '202': 'Accepted',
    '203': 'Non-Authoritative Information',
    '204': 'No Content',
    '205': 'Reset Content',
    '206': 'Partial Content',
    '207': 'Multi-Status',
    '208': 'Already Reported',
    '226': 'IM Used',
    '300': 'Multiple Choices',
    '301': 'Moved Permanently',
    '302': 'Found',
    '303': 'See Other',
    ! 3开头的都表示重定向
    ! '304': 'Not Modified',    √
    '305': 'Use Proxy',
    '307': 'Temporary Redirect',
    '308': 'Permanent Redirect',
    '400': 'Bad Request',
    '401': 'Unauthorized',
    '402': 'Payment Required',
    '403': 'Forbidden',
    ! 4开头的表示资源没找到
    ! '404': 'Not Found',    √
    '405': 'Method Not Allowed',
    '406': 'Not Acceptable',
    '407': 'Proxy Authentication Required',
    '408': 'Request Timeout',
    '409': 'Conflict',
    '410': 'Gone',
    '411': 'Length Required',
    '412': 'Precondition Failed',
    '413': 'Payload Too Large',
    '414': 'URI Too Long',
    '415': 'Unsupported Media Type',
    '416': 'Range Not Satisfiable',
    '417': 'Expectation Failed',
    '418': "I'm a Teapot",
    '421': 'Misdirected Request',
    '422': 'Unprocessable Entity',
    '423': 'Locked',
    '424': 'Failed Dependency',
    '425': 'Too Early',
    '426': 'Upgrade Required',
    '428': 'Precondition Required',
    '429': 'Too Many Requests',
    '431': 'Request Header Fields Too Large',
    '451': 'Unavailable For Legal Reasons',
    ! 5开头的表示服务器错误
    ! '500': 'Internal Server Error',    √
    '501': 'Not Implemented',
    '502': 'Bad Gateway',
    '503': 'Service Unavailable',
    '504': 'Gateway Timeout',
    '505': 'HTTP Version Not Supported',
    '506': 'Variant Also Negotiates',
    '507': 'Insufficient Storage',
    '508': 'Loop Detected',
    '509': 'Bandwidth Limit Exceeded',
    '510': 'Not Extended',
    '511': 'Network Authentication Required'
  }
*/ 
